1. Liquids exhibit only _______ expansion.   superficial   cubical   linear   Hint Half-n-half Clue   2. _______ requires no medium.   Convection   Radiation   Conduction   Half-n-half Clue   3. Different gases have the same rate of expansion for the same rise in temperature.   True   False   4. Given that 1 cal (about 4.2 J) of heat is lost by 1 g of water in cooling by 1oC, how much heat is lost by 4 g of water in cooling from 80oC to 25oC ?   231.0 J   220.0 J   924.0 J   16.8 J   Half-n-half Clue   5. Given that 1 cal (about 4.2 J) of heat is required to raise the temperature of 1 g of water by 1oC, how much heat is required to raise the temperature of 5 g of water by 10oC?   21.0 J   42.0 J   50.0 J   210.0 J   Half-n-half Clue   6. 1 Joule = _______ ergs   105   4.214   107   4.184   Half-n-half Clue   7. The calorific value of a fuel is the quantity of heat produced when a unit _______ of it is burnt.   weight   mass   volume   Half-n-half Clue